3D Model: A 3D Symbol Of The Greek Letter Pi (π), Designed As A Raised, Solid, And Volumetric Object. The Pi Symbol Should Protrude Clearly, Looking Bold And Smooth. The Base Should Have A Flat Bottom For Stability And Transition Into A Convex Spherical Dome On Top. The Pi Symbol Is Placed Firmly On This Spherical Dome. The Overall Style Should Be Minimalistic, Clean, And Geometric, With Smooth Edges And Modern Design.